diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs/orion5x/cpu.c')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/orion5x/cpu.c | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/arch/arm/cpu/arm926ejs/orion5x/cpu.c b/arch/arm/cpu/arm926ejs/orion5x/cpu.c deleted file mode 100644 index f88db3b..0000000 --- a/arch/arm/cpu/arm926ejs/orion5x/cpu.c +++ /dev/null @@ -1,294 +0,0 @@ -/* - * Copyright (C) 2010 Albert ARIBAUD <albert.u.boot@aribaud.net> - * - * Based on original Kirkwood support which is - * (C) Copyright 2009 - * Marvell Semiconductor <www.marvell.com> - * Written-by: Prafulla Wadaskar <prafulla@marvell.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <netdev.h> -#include <asm/cache.h> -#include <asm/io.h> -#include <u-boot/md5.h> -#include <asm/arch/cpu.h> - -#define BUFLEN 16 - -void reset_cpu(unsigned long ignored) -{ - struct orion5x_cpu_registers *cpureg = - (struct orion5x_cpu_registers *)ORION5X_CPU_REG_BASE; - - writel(readl(&cpureg->rstoutn_mask) | (1 << 2), - &cpureg->rstoutn_mask); - writel(readl(&cpureg->sys_soft_rst) | 1, - &cpureg->sys_soft_rst); - while (1) - ; -} - -/* - * Compute Window Size field value from size expressed in bytes - * Used with the Base register to set the address window size and location. - * Must be programmed from LSB to MSB as sequence of ones followed by - * sequence of zeros. The number of ones specifies the size of the window in - * 64 KiB granularity (e.g., a value of 0x00FF specifies 256 = 16 MiB). - * NOTES: - * 1) A sizeval equal to 0x0 specifies 4 GiB. - * 2) A return value of 0x0 specifies 64 KiB. - */ -unsigned int orion5x_winctrl_calcsize(unsigned int sizeval) -{ - /* - * Calculate the number of 64 KiB blocks needed minus one (rounding up). - * For sizeval > 0 this is equivalent to: - * sizeval = (u32) ceil((double) sizeval / 65536.0) - 1 - */ - sizeval = (sizeval - 1) >> 16; - - /* - * Propagate 'one' bits to the right by 'oring' them. - * We need only treat bits 15-0. - */ - sizeval |= sizeval >> 1; /* 'Or' bit 15 onto bit 14 */ - sizeval |= sizeval >> 2; /* 'Or' bits 15-14 onto bits 13-12 */ - sizeval |= sizeval >> 4; /* 'Or' bits 15-12 onto bits 11-8 */ - sizeval |= sizeval >> 8; /* 'Or' bits 15-8 onto bits 7-0*/ - - return sizeval; -} - -/* - * orion5x_config_adr_windows - Configure address Windows - * - * There are 8 address windows supported by Orion5x Soc to addess different - * devices. Each window can be configured for size, BAR and remap addr - * Below configuration is standard for most of the cases - * - * If remap function not used, remap_lo must be set as base - * - * NOTES: - * - * 1) in order to avoid windows with inconsistent control and base values - * (which could prevent access to BOOTCS and hence execution from FLASH) - * always disable window before writing the base value then reenable it - * by writing the control value. - * - * 2) in order to avoid losing access to BOOTCS when disabling window 7, - * first configure window 6 for BOOTCS, then configure window 7 for BOOTCS, - * then configure windows 6 for its own target. - * - * Reference Documentation: - * Mbus-L to Mbus Bridge Registers Configuration. - * (Sec 25.1 and 25.3 of Datasheet) - */ -int orion5x_config_adr_windows(void) -{ - struct orion5x_win_registers *winregs = - (struct orion5x_win_registers *)ORION5X_CPU_WIN_BASE; - -/* Disable window 0, configure it for its intended target, enable it. */ - writel(0, &winregs[0].ctrl); - writel(ORION5X_ADR_PCIE_MEM, &winregs[0].base); - writel(ORION5X_ADR_PCIE_MEM_REMAP_LO, &winregs[0].remap_lo); - writel(ORION5X_ADR_PCIE_MEM_REMAP_HI, &winregs[0].remap_hi); - writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_PCIE_MEM, - ORION5X_TARGET_PCIE, ORION5X_ATTR_PCIE_MEM, - ORION5X_WIN_ENABLE), &winregs[0].ctrl); -/* Disable window 1, configure it for its intended target, enable it. */ - writel(0, &winregs[1].ctrl); - writel(ORION5X_ADR_PCIE_IO, &winregs[1].base); - writel(ORION5X_ADR_PCIE_IO_REMAP_LO, &winregs[1].remap_lo); - writel(ORION5X_ADR_PCIE_IO_REMAP_HI, &winregs[1].remap_hi); - writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_PCIE_IO, - ORION5X_TARGET_PCIE, ORION5X_ATTR_PCIE_IO, - ORION5X_WIN_ENABLE), &winregs[1].ctrl); -/* Disable window 2, configure it for its intended target, enable it. */ - writel(0, &winregs[2].ctrl); - writel(ORION5X_ADR_PCI_MEM, &winregs[2].base); - writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_PCI_MEM, - ORION5X_TARGET_PCI, ORION5X_ATTR_PCI_MEM, - ORION5X_WIN_ENABLE), &winregs[2].ctrl); -/* Disable window 3, configure it for its intended target, enable it. */ - writel(0, &winregs[3].ctrl); - writel(ORION5X_ADR_PCI_IO, &winregs[3].base); - writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_PCI_IO, - ORION5X_TARGET_PCI, ORION5X_ATTR_PCI_IO, - ORION5X_WIN_ENABLE), &winregs[3].ctrl); -/* Disable window 4, configure it for its intended target, enable it. */ - writel(0, &winregs[4].ctrl); - writel(ORION5X_ADR_DEV_CS0, &winregs[4].base); - writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_DEV_CS0, - ORION5X_TARGET_DEVICE, ORION5X_ATTR_DEV_CS0, - ORION5X_WIN_ENABLE), &winregs[4].ctrl); -/* Disable window 5, configure it for its intended target, enable it. */ - writel(0, &winregs[5].ctrl); - writel(ORION5X_ADR_DEV_CS1, &winregs[5].base); - writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_DEV_CS1, - ORION5X_TARGET_DEVICE, ORION5X_ATTR_DEV_CS1, - ORION5X_WIN_ENABLE), &winregs[5].ctrl); -/* Disable window 6, configure it for FLASH, enable it. */ - writel(0, &winregs[6].ctrl); - writel(ORION5X_ADR_BOOTROM, &winregs[6].base); - writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_BOOTROM, - ORION5X_TARGET_DEVICE, ORION5X_ATTR_BOOTROM, - ORION5X_WIN_ENABLE), &winregs[6].ctrl); -/* Disable window 7, configure it for FLASH, enable it. */ - writel(0, &winregs[7].ctrl); - writel(ORION5X_ADR_BOOTROM, &winregs[7].base); - writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_BOOTROM, - ORION5X_TARGET_DEVICE, ORION5X_ATTR_BOOTROM, - ORION5X_WIN_ENABLE), &winregs[7].ctrl); -/* Disable window 6, configure it for its intended target, enable it. */ - writel(0, &winregs[6].ctrl); - writel(ORION5X_ADR_DEV_CS2, &winregs[6].base); - writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_DEV_CS2, - ORION5X_TARGET_DEVICE, ORION5X_ATTR_DEV_CS2, - ORION5X_WIN_ENABLE), &winregs[6].ctrl); - - return 0; -} - -/* - * Orion5x identification is done through PCIE space. - */ - -u32 orion5x_device_id(void) -{ - return readl(PCIE_DEV_ID_OFF) >> 16; -} - -u32 orion5x_device_rev(void) -{ - return readl(PCIE_DEV_REV_OFF) & 0xff; -} - -#if defined(CONFIG_DISPLAY_CPUINFO) - -/* Display device and revision IDs. - * This function must cover all known device/revision - * combinations, not only the one for which u-boot is - * compiled; this way, one can identify actual HW in - * case of a mismatch. - */ -int print_cpuinfo(void) -{ - char dev_str[7]; /* room enough for 0x0000 plus null byte */ - char rev_str[5]; /* room enough for 0x00 plus null byte */ - char *dev_name = NULL; - char *rev_name = NULL; - - u32 dev = orion5x_device_id(); - u32 rev = orion5x_device_rev(); - - if (dev == MV88F5181_DEV_ID) { - dev_name = "MV88F5181"; - if (rev == MV88F5181_REV_B1) - rev_name = "B1"; - else if (rev == MV88F5181L_REV_A1) { - dev_name = "MV88F5181L"; - rev_name = "A1"; - } else if (rev == MV88F5181L_REV_A0) { - dev_name = "MV88F5181L"; - rev_name = "A0"; - } - } else if (dev == MV88F5182_DEV_ID) { - dev_name = "MV88F5182"; - if (rev == MV88F5182_REV_A2) - rev_name = "A2"; - } else if (dev == MV88F5281_DEV_ID) { - dev_name = "MV88F5281"; - if (rev == MV88F5281_REV_D2) - rev_name = "D2"; - else if (rev == MV88F5281_REV_D1) - rev_name = "D1"; - else if (rev == MV88F5281_REV_D0) - rev_name = "D0"; - } else if (dev == MV88F6183_DEV_ID) { - dev_name = "MV88F6183"; - if (rev == MV88F6183_REV_B0) - rev_name = "B0"; - } - if (dev_name == NULL) { - sprintf(dev_str, "0x%04x", dev); - dev_name = dev_str; - } - if (rev_name == NULL) { - sprintf(rev_str, "0x%02x", rev); - rev_name = rev_str; - } - - printf("SoC: Orion5x %s-%s\n", dev_name, rev_name); - - return 0; -} -#endif /* CONFIG_DISPLAY_CPUINFO */ - -#ifdef CONFIG_ARCH_CPU_INIT -int arch_cpu_init(void) -{ - /* Enable and invalidate L2 cache in write through mode */ - invalidate_l2_cache(); - - orion5x_config_adr_windows(); - - return 0; -} -#endif /* CONFIG_ARCH_CPU_INIT */ - -/* - * SOC specific misc init - */ -#if defined(CONFIG_ARCH_MISC_INIT) -int arch_misc_init(void) -{ - u32 temp; - - /*CPU streaming & write allocate */ - temp = readfr_extra_feature_reg(); - temp &= ~(1 << 28); /* disable wr alloc */ - writefr_extra_feature_reg(temp); - - temp = readfr_extra_feature_reg(); - temp &= ~(1 << 29); /* streaming disabled */ - writefr_extra_feature_reg(temp); - - /* L2Cache settings */ - temp = readfr_extra_feature_reg(); - /* Disable L2C pre fetch - Set bit 24 */ - temp |= (1 << 24); - /* enable L2C - Set bit 22 */ - temp |= (1 << 22); - writefr_extra_feature_reg(temp); - - icache_enable(); - /* Change reset vector to address 0x0 */ - temp = get_cr(); - set_cr(temp & ~CR_V); - - /* Set CPIOs and MPPs - values provided by board - include file */ - writel(ORION5X_MPP0_7, ORION5X_MPP_BASE+0x00); - writel(ORION5X_MPP8_15, ORION5X_MPP_BASE+0x04); - writel(ORION5X_MPP16_23, ORION5X_MPP_BASE+0x50); - writel(ORION5X_GPIO_OUT_VALUE, ORION5X_GPIO_BASE+0x00); - writel(ORION5X_GPIO_OUT_ENABLE, ORION5X_GPIO_BASE+0x04); - writel(ORION5X_GPIO_IN_POLARITY, ORION5X_GPIO_BASE+0x0c); - - /* initialize timer */ - timer_init_r(); - return 0; -} -#endif /* CONFIG_ARCH_MISC_INIT */ - -#ifdef CONFIG_MVGBE -int cpu_eth_init(bd_t *bis) -{ - mvgbe_initialize(bis); - return 0; -} -#endif |